Recent Advances in Radiocarbon Dating of Ancient Roman Mortar and Concrete, Poster presented by Åsa Ringbom and John R. Hale at the Annual Meeting of the Archaeological Institute of America, Chicago January 2-5 2014. Poster Chicago 2014

Ringbom, Åsa, John Hale, Jan Heinemeier, Lynne Lancaster and Alf Lindroos, ”When did the Mortar Harden? A new method for dating buildings and other structures through AMS radiocarbon analysis”. Poster presented at the XVI International Congress of Classical Archaeology, The Associazione Internationale di Archeologia Classica, Harvard University August 24, 2003.